The material of the stones is unknown. Some of the metal parts show signs of deterioration. There are no hallmarks indicating precious metals. Items are not sold separately. Some clasps are stiff. This is a bundled listing, so we may not be able to respond to individual inquiries. *These items were received from my grandmother, and details are unknown. Sizes: Multiple sizes, please check the images. Weight: 42.1g total *Measurements are approximate. Please allow for some error. *Colors may vary depending on your monitor environment. We try our best to get the colors as accurate as possible, but it is not perfect. Please understand this before purchasing. *These are used items, please judge based on the images. We try to describe the items honestly, but there may be unexpected oversights. Please inquire about any unclear points beforehand. T11627 C #Accessories #CostumeJewelry #Brooch #Women's #ColoredStones #Pearl #Bundle